They were the cause of murders in their place, their territory was known to be precarious. They are struggling to blend in, for the world is against them. Cases unsolved and lives at risk, who will survive at the end?

In the old continent the most terrifying stories about murderers are told, when Lady Willemina Winchester is murdered, a detective, her sister and her fiancé will look for the man who deprived her of life.

According to legend, at the fall of the ancient kingdom of Longquan, the secret of immortality was permanently buried within the Longevity Dragon Spring. In the mysterious ancient tomb, could one find the true secret of eternal youth...